512205073 has 2 divisors, whose sum is σ = 512205074. Its totient is φ = 512205072.

The previous prime is 512205049. The next prime is 512205077. The reversal of 512205073 is 370502215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506790144 + 5414929 = 22512^2 + 2327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512205073 is a prime.

It is not a weakly prime, because it can be changed into another prime (512205077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256102536 + 256102537.

It is an arithmetic number, because the mean of its divisors is an integer number (256102537).

Almost surely, 2^512205073 is an apocalyptic number.

It is an amenable number.

512205073 is a deficient number, since it is larger than the sum of its proper divisors (1).

512205073 is an equidigital number, since it uses as much as digits as its factorization.

512205073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 512205073 is about 22631.9480602090. The cubic root of 512205073 is about 800.1067945972.

Adding to 512205073 its reverse (370502215), we get a palindrome (882707288).

The spelling of 512205073 in words is "five hundred twelve million, two hundred five thousand, seventy-three".